EMA‐90N
User Manual
IM128‐U v0.74
Pag. 1 / 32
EMA-90N
Electrical Measurement Analyzer
IM128-U v0.74
Page 1: ...EMA 90N User Manual IM128 U v0 74 Pag 1 32 EMA 90N Electrical Measurement Analyzer User Manual IM128 U v0 74 ...
Page 2: ...ettronica Srl In case of Copyright violation the customer is directly responsible TERMS OF WARRANTY The warranty is valid for the period of 24 months after material receipt The warranty covers free repair or replacement of equipment parts which are recognized as faulty due to manufacturing defects Warranty does not cover those parts which results defective due to misuse or improper use incorrect i...
Page 3: ...I 1 PT100 I O type DO photo mos DO photo mos DI 24 Vac dc DO photo mos DI 48 Vac dc DO photo mos DI 115 Vac dc DO photo mos DI 230 Vac dc COM RS485 RS485 RS485 RS485 Profibus RS485 MBUS ETH MOD 6 RS485 ETH MOD 6 RS485 ETH WEB 7 Memory none 4MB SW Class 1 0 5S 0 2S Version STD H PQ Note It is possible select only one option for each row The selected option replaces the standard configuration 1 5mm ...
Page 4: ...e instrument can be supplied with a voltage independent by the monitoring line In this case the instrument continues to operate independently by the voltage present on the lines under control Alternatively only for 90 250Vca cc version it is possible to take the power from the network under test using the phase and neutral for a 4 wire network phase to phase in a 3 wire system without neutral or f...
Page 5: ...ually 2VT allows to measure accurately the three phase currents WARNING If the instrument has the TTA on the current inputs DON T connect the S2 terminals to the earth This connection can be used with distributed and equal loads It is possible to measure the current on one phase using only one CT The unmonitored phase currents are mathematically calculated The measurement of neutral current is opt...
Page 6: ...s DON T connect the S2 terminals to the earth It is mandatory to connect the current input I1 and voltage input VL1 WARNING If the instrument has the TTA on the current inputs DON T connect the S2 terminals to the earth The electrical parameters are measured for individual loads For correct calculation of power and energy is mandatory to connect the voltage inputs related to the used current input...
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Page 8: ...ibus DP is a multi master systems In the networks it s possible to have up to 126 devices on the same bus In profibus DP networks the interchange of data between peripheral modules and the master is made automatically by the profibus controller which virtualise the data exchange memory of the DP devices in the memory of the master In the following picture the pin out of the Profibus DP port 9 6 Kb...
Page 9: ...s Information and Setup allows you to enter the Menu and confirm the selected item In the Setup you can select the parameter to be modified and confirm the new value ESC key This button is used for exit without confirming the change in progress return to the display page after entering any page of the instrument setup return to the top level of the menu if multiple levels are open First configurat...
Page 10: ...g Conventions Daily plan Editing contacts User pages Setup Type Modality Period plan Setup General Energies Counters Holiday Info Measure User pages User pages Communication Type Communication Ethernet Composition I O COM 1 Titles Setpoint COM 2 Keys texts Log Logic expression I O Digital output Setpoint Digital input Log Parameters Analog output Generic Texts Analog input Smart Info Device Digita...
Page 11: ...rt of the instrument are not used to move between the pages present but each of them is associated with a unique page This page is completely configurable from the text of the title to the text of the individual keys and also in the number and type of quantities displayed The indication of the page text key has a different color than the others Customization of the user page CURRENTS Setup User Pa...
Page 12: ... counters Min Max yes no no Max demand yes no no Log energies yes no no Log setpoint yes no no All logs yes no no ON OFF events yes no no Manual reset SP DO yes no no Manual Reset of the digital outputs used in Setpoint mode Setup General Date Time Date Time Range Default Hour 0 23 XX Minute 0 59 XX Seconds 0 59 XX Day of week Monday Sunday XX Day 1 31 XX Month January December XX Year 2000 2099 X...
Page 13: ... above the set limit 1 10 ms 50Hz 1 8 33 ms 60Hz Threshold SWELL V 1 1000 270 Value above which the voltage must rise to be considered as an event Number of cycles SWELL 1 1000 250 Time for which the voltage value must be above the set limit 1 10 ms 50Hz 1 8 33 ms 60Hz Interruptions mV 1000 2000000000 205000 Hysteresis interruptions mV 1000 2000000000 215000 Memory FIFO o end of memory end of memo...
Page 14: ...lculated x3 X X X REACTIVE POWER L3 X X calculated x3 X X NEUTRAL CURRENT calculated or measured option THD VOLTAGE L1 X X X X X X X X THD VOLTAGE L2 X X X X X X X THD VOLTAGE L3 X X X X X X THD CURRENT L1 X X X X X X X X THD CURRENT L2 X X calculated X X X X THD CURRENT L3 X X calculated X X X ANGLE 1 2 X X X X X X X X ANGLE 2 3 X X X X X X X X ANGLE 3 1 X X X X X X X X SYSTEM TANGENT φ X X calcu...
Page 15: ...connections not be correct in the following insertion Three phase Three phase balanced Three phase multi load balanced Single phase multi load and Multi single phase L1 reverse the current of the L1 phase has the opposite sign respect others two phases L2 reverse the current of the L2 phase has the opposite sign respect others two phases L3 reverse the current of the L3 phase has the opposite sign...
Page 16: ...for change the timeband Manual From DI the combination of digital input selects the actual timeband TB used see the following table DI4 DI3 DI2 DI1 TBusata DI4 DI3 DI2 DI1 TBusata DI4 DI3 DI2 DI1 TBusata DI4 DI3 DI2 DI1 TBusata 0 0 0 0 1 0 1 0 0 5 1 0 0 0 9 1 1 0 0 13 0 0 0 1 2 0 1 0 1 6 1 0 0 1 10 1 1 0 1 14 0 0 1 0 3 0 1 1 0 7 1 0 1 0 11 1 1 1 0 15 0 0 1 1 4 0 1 1 1 8 1 0 1 1 12 1 1 1 1 16 Setup...
Page 17: ... Start hour 2 12 Start minute 2 00 Timeband used 2 TB 2 Setup Timeband Preset Period Period Plan 1 Start month January Start day 1 End month July End day 31 Monday plan plan 1 Tuesday plan plan 1 Wednesday plan plan 1 Thursday plan plan 1 Friday plan plan 1 Saturday plan plan 2 Sunday plan plan 2 Enable yes Setup Timeband Preset Holiday Month holiday 1 January Day holiday 1 6 Plan holiday 1 plan 2...
Page 18: ...ype is instant see Acronym table of Instantaneous group averages see Acronym table of Averages group energies see Acronym table of Energy group setpoint 1 32 Selection of the measure displayed on the 1st row of the user page X Row 2 See Row 1 Selection of the measure displayed on the 2nd row of the user page X Row 3 See Row 1 Selection of the measure displayed on the 3th row of the user page X Row...
Page 19: ...elay ms 5 100 10 Modify this value if use a slow external converter Setup Communication COM1 2 Slave tipology COM 1 2 slave tipology Range Default Slave node 1 TTC V CTT 4 Type of slave instrument connected to the address 1 Slave node 20 TTC V CTT 4 Type of slave instrument connected to the address 20 Note Accessible only with COM in master mode Setup Communication COM 1 2 Editing slaves name COM ...
Page 20: ...ym Group table not used Group of the 18th measure read Misura 18 See acronym in the table of the group selected not used 18th measure read M Bus Frame B Range Default Group 1 See Acronym Group table Instantaneous Group of the 1st measure read Measure 1 See acronym in the table of the group selected V1 1st measure read Group 18 See Acronym Group table not used Group of the 18th measure read Misura ...
Page 21: ...divide the input pulse for the coefficient set SP DO level active high active low active high The output set in SP DO reset will go backt to the initial status SP DO reset DO 1 2 3 4 5 6 7 8 disabled If is set SP DO reset mode on the input this parameter allows to set the outputs that will be reset when the input status is the same indicated in the SP DO Level set Measure unit Measure unit display...
Page 22: ...example Selecting the cos or the power factor as a measure to associate to the analog output the intermediate output value 10 or 12 mA is set to cos 1 and coinciding with cos 1 The value of the output signal will trend to increase when the positive values of cos decrease from 1 to 0 while for the negative values it will decrease when the value trend to 0 Example Setting 800 and 800 as maximum and ...
Page 23: ...ds set If the limits are exceeded and if it s necessary to control more parameters simultaneously and to have a single action there is the possibility to link more setpoints using the two main logical operations AND and OR To use this feature you must set only one setpoint as primary with the following setup limits debounce Over Entry logic Over Entry operands secondary setpoints to be included in...
Page 24: ...o logic No logic the Action is executed without to verify the status of others setpoint Default OR logic the Action is execute after the check of result of the OR logic operation with the setpoint selected in operands AND logic the Action is execute after the check of result of the AND logic operation with the setpoint selected in operands WARNING it s not possible to set OR logic for logic operat...
Page 25: ...peration over AND Operands 1 16 Setpoint 2 yes Setpoint 3 yes Action over save event yes DO change yes Action entry save event yes DO change yes DO used DO 1 yes Enable yes SETPOINT 2 secondary Source Internal measures Group instant Item V2 High threshold 230 High threshold unit V Over debounce 10 sec Enable yes SETPOINT 3 secondary Source Internal measures Group instant Item V3 High threshold 230...
Page 26: ... week end of month end of year 15 min Acquisition timing Storage FIFO end memory end memory Type of storage Note FIFO after 10 consecutive cycles is automatically disabled Start month January December January Start day 1 31 1 Start hour 0 23 0 Start minute 0 59 0 End month January December January End day 1 31 1 End hour 0 23 23 End minute 0 59 59 Monday yes no no Enable or disable the log for thi...
Page 27: ...ore complex Setup Math Math X Range Default Enable yes no no Enable or disable the math X Compute timing 1sec 60min end of day end of week end of month 1 sec Time to update the results of math Source 1 Internal measures Measure node X Internal measures Select the instrument from which the measure to analyze is required Group 1 instantaneous average energies digital input counters analog input math...
Page 28: ...ΣVAr System Average Reactive Power AVG V1 Average Voltage Phase 1 AVG COS1 Average COS L2 AVG VAr1 Average Reactive Power L1 AVG V2 Average Voltage Phase 2 AVG COS2 Average COS L3 AVG VAr2 Average Reactive Power L2 AVG V3 Average Voltage Phase 3 AVG COS3 System Average Apparent Power AVG VAr3 Average Reactive Power L3 AVG ΣA System Average Current AVG ΣVA Average Apparent Power L1 AVG 4 A 4th Curr...
Page 29: ... Analyzer with TCP option with all I O terminal blocks and communication ports The Ethernet port is located at the top of the instrument 96 96 9 8 100 89 5 12 EMA 90N Home Menu Default P Q E M ow er ua lit y and ner gy ea sur ement ESC ENTER 90 90 ETHERNET PORT COM PORTS 8 8 7 7 6 6 5 5 Do 3 3 4 4 4 4 3 3 2 2 1 1 I O N VL3 VL2 VL1 I3 I2 I1 S2 S1 S1 S2 S2 S1 S2 S1 1 1 2 2 2 1 Do Do C 8 8 7 7 6 6 5 ...
Page 30: ...nputs Neutral Permitted over voltage 480 Vac phase to neutral 830Vac continuous phase to phase Over voltage category III permanent installations Input resistance 1 8MΩ Frequency range 50 60 Hz Note V1 terminal must be connected Load Burden for each input 0 12 VA Current inputs Inputs type 3 inputs isolated by internal current transformers additional input for neutral current with the same characte...
Page 31: ...inimum impulse period TON_min 30ms TOFF_min 30ms Analog output Number of analog outputs 2 4 Auxiliary power supply Not required Insulation level 3 5KV for 60 sec Maximum length of connection 1200m Resolution 12bit 4096 valori Analog outputs type Current Voltage Mode 0 20mA or 4 20mA 0 10V or 10 10V or 0 5V or 5 5V Load Max 600 Min 1K Error Max 0 5 on E S Typical 0 2 on E S Max 0 3 on E S Typical 0...
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